Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Ka2 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb1 draw
7 Kb2 draw
8 Kb5 draw
9 Kb7 draw
10 Kc5 draw
11 Kc6 draw
12 Kc7 draw
13 Rb8 draw
14 Rc8 draw
15 Rd1 draw
16 Rd2 draw
17 Rd3 draw
18 Rd4 draw
19 Re8 draw
20 Rf8 draw
21 Rd5 loss in 2 half-moves
22 Rd6 loss in 2 half-moves
23 Rd7 loss in 2 half-moves
24 Rg8 loss in 2 half-moves
25 Rh8 loss in 2 half-moves